1. Division of Viral Hepatitis, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia.
2. Division of Global Health Protection, Center for Global Health, U.S. Centers for Disease Control and Prevention, Nairobi, Kenya.
3. Division of Parasitic Diseases and Malaria, Center for Global Health, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia.
4. Division of Global HIV/AIDS, Center for Global Health, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia.
5. National Public Health Laboratory Services, Ministry of Health, Nairobi, Kenya.